<!DOCTYPE html>
<title>CSS Test (Display): Elements with display:contents should be focusable</title>
<link rel="author" title="L. David Baron" href="https://dbaron.org/">
<link rel="author" title="Google" href="http://www.google.com/">
<link rel="help" href="https://drafts.csswg.org/css-display-3/#box-generation">
<link rel="help" href="https://github.com/w3c/csswg-drafts/issues/2632">
<link rel="help" href="https://github.com/whatwg/html/issues/1837">
<link rel="help" href="https://github.com/whatwg/html/pull/9425">
<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1366037">
<!--

  This requirement may not be crystal-clear from CSS specs, but
  discussion in https://github.com/w3c/csswg-drafts/issues/2632
  concluded it was correct and that no spec changes were needed.

  https://github.com/whatwg/html/pull/9425 makes this clearer in the
  HTML spec.

-->
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<style>

#test       { --test-var: test-not-focused; }
#test:focus { --test-var: test-focused; }

</style>

<div id="test" style="display: contents" tabindex="1">Hello</div>

<script>

  test(
    function() {
      var e = document.getElementById("test");
      var cs = getComputedStyle(e);
      assert_not_equals(document.activeElement, e, "precondition");
      assert_equals(cs.getPropertyValue("--test-var"), "test-not-focused", "precondition (style)");
      e.focus();
      assert_equals(document.activeElement, e, "e is now focused");
      assert_equals(cs.getPropertyValue("--test-var"), "test-focused", "e is now focused (style)");
    }, "element with display:contents is focusable");

</script>

